Lexmark C935 Service Manual page 521

Step
4 Perform the skew rough setup printhead adjustment.
1. Enter the Diagnostics Menu.
2. Select ENGINE ADJUST.
3. Select RegCon adjust
4. Select Control setup cycles
5. Select Cycle result values
Locate the following new values for the following settings:
Y- Skew adjustment
M- Skew adjustment
C- Skew adjustment
K- Skew adjustment
Turn the appropriate printhead adjustment screws, located
behind the waste toner cartridge, the number of clicks
(rotation until a snap sound is heard and felt) based on the
above settings.
+values require turning the screw Clockwise
- values require turning the screw Counter Clockwise.
EG: Y-Skew adjustment 10. Turn the screw CW 10 clicks.
EG: Y-Skew adjustment -10. Turn the screw CCW 10 clicks.
Printhead adjusting screw
K
Have the appropriate printhead adjustment screw been
adjusted?
Check
C
M
Y
Yes
Re-perform step 1. Go to step 7.
If the test fails then
replace the
printhead.
See "Printhead
assembly
removal" on
page 4-104.
Once the
printhead is
replaced then re-
perform the entire
RegCon
procedure.
See "Color
registration
(RegCon)" on
page 4-214.
Repair information
5057-XXX
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